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Water-based aluminized film composite glue and preparation method thereof

A technology of composite glue and aluminized film, applied in the direction of adhesive type, ester copolymer adhesive, etc., can solve the problems of low bonding strength, poor coating property, poor stability, etc., and achieve improved wetting The effect of leveling, cost reduction, and coatability improvement

Active Publication Date: 2012-12-12
NANTONG GAOMENG NEW MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the general emulsion-type composite adhesives on the market are mainly water-based acrylic, including pure acrylic emulsion, styrene-acrylic emulsion, vinegar-acrylic emulsion, and some VAE (ethylene-vinyl acetate copolymer emulsion). Problems, such as poor stability, easy foaming, poor coating, low bonding strength, etc.

Method used

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  • Water-based aluminized film composite glue and preparation method thereof
  • Water-based aluminized film composite glue and preparation method thereof
  • Water-based aluminized film composite glue and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] This embodiment provides a water-based aluminized film composite glue, which is used in the preparation of aluminized film composite paper. The composite glue is based on a monomer, a composite emulsifier, an initiator, a buffer, a pH regulator, an aqueous additive and Ionized water is used as raw material, and the composite glue with a solid content of 40-50% is prepared after pre-emulsification, seed reaction, polymerization reaction and compounding.

[0020] The monomers in the above composite rubber raw materials include hard monomers, soft monomers and functional monomers; wherein, the hard monomers are styrene (St) and vinyl acetate (VAc); the soft monomers are butyl acrylate ester (BA); the functional monomer is composed of any one of acrylic acid (AA) or methacrylic acid (MAA), any one of hydroxyethyl acrylate (HEA) or hydroxypropyl acrylate (HPA) and N - Methylolacrylamide (NMA) composition.

[0021] The amount of each raw material in the monomer is calculated...

Embodiment 2

[0035] This embodiment provides a kind of water-based aluminized film composite glue, which is used to prepare aluminized film composite paper. The water-based aluminized film composite glue takes various raw materials according to the following formula, including:

[0036]

[0037]

[0038] The preparation method comprises the following steps:

[0039](1) Pre-emulsification: Put deionized water accounting for 50% of the total weight of deionized water, alkyl ether ammonium sulfate accounting for 60% of the total weight of alkyl ether ammonium sulfate, accounting for alkylphenol polyoxyethylene ether into the emulsification tank Alkylphenol polyoxyethylene ether with a total weight of 80%, all sodium vinyl sulfonate, and all monomers are stirred and emulsified for more than 30 minutes to obtain a pre-emulsion;

[0040] (2) Seed reaction: Put deionized water accounting for 40% of the total weight of deionized water, the remaining alkyl ether ammonium sulfate, the remainin...

Embodiment 3

[0044] This embodiment provides a kind of water-based aluminized film composite glue, which is used to prepare aluminized film composite paper. The water-based aluminized film composite glue takes various raw materials according to the following formula, including:

[0045]

[0046] The preparation method comprises the following steps:

[0047] (1) Pre-emulsification: Put 45wt% deionized water into the emulsification tank, alkyl ether ammonium sulfate accounting for 55wt% of the total weight of alkyl ether ammonium sulfate, and alkyl phenol polyoxyethylene ether accounting for 75wt% of the total weight Phenol polyoxyethylene ether, all sodium vinyl sulfonate, and all monomers, started stirring and emulsifying for more than 30 minutes to obtain a pre-emulsion;

[0048] (2) Seed reaction: Put 45wt% deionized water, the remaining alkyl ether ammonium sulfate, the remaining alkylphenol polyoxyethylene ether, and buffer into the polymerization reactor, start stirring and heat up...

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Abstract

The invention discloses water-based aluminized film composite glue and a preparation method thereof, and belongs to the field of adhesive manufacture. The composite glue with 45 to 50 percent of solid content is prepared from monomers, composite emulsifier, initiator, buffering agent, pH regulator, water-based auxiliary agents and deionized water serving as raw materials by pre-emulsifying, seed reaction, polymerization reaction and compounding; the monomers comprise hard monomer, soft monomer and functional monomer, wherein the hard monomer consists of styrene and vinyl acetate; the soft monomer consists of butyl acrylate; and the functional monomer consists of any one of acrylic acid and methacrylic acid, any one of hydroxyethyl acrylate and hydroxypropyl acrylate, and N-hydroxymethyl acrylamide. The composite glue has good stability and low cost, and can improve the adhesive force and the peeling strength of an adhesive film on an adhesive base material. By adding various water-based aids with excellent performance, the foam of the composite glue in use is reduced, and the wetting leveling property of the emulsion on the surface of the aluminized film is improved so that the coating property of the glue is improved and the transparence is better after the film is formed.

Description

technical field [0001] The invention belongs to the field of adhesive manufacturing, and in particular relates to a novel water-based aluminized film composite adhesive and a preparation method thereof. Background technique [0002] Aluminized film composite paper has a very beautiful effect, and is now widely used in the packaging of various high-end toothpaste boxes, cosmetic boxes, jewelry boxes and cigarette boxes. It combines various aluminized films (or laser films) with cardboard or coated paper, and uses the bright appearance of the aluminized film (or laser film) to increase the aesthetic effect of the packaging box, improve the packaging grade, and attract consumers' attention , where the adhesive plays a very important role. [0003] At present, there are mainly two types of aluminized film composite adhesives: emulsion type and solvent type. Solvent type composite adhesives have environmental protection and safety problems due to the use of organic substances su...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09J133/08C08F220/18C08F218/08C08F212/08C08F220/06C08F220/28C08F220/58C08F2/24
Inventor 陈小锋沈峰邓煜东
Owner NANTONG GAOMENG NEW MATERIAL
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